Standard: | RoHS, BS, DIN, JIS, AISI, API |
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Usage: | Oil Mining, Coal Mining, Well Drilling, Ore Mining |
Material: | Carbon Steel |
Overshot: | for Mining |
Transport Package: | Iron Bundle |
Specification: | 3500*320*380mm |
Samples: |
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Customization: |
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Jinshi DrillTech head assembly features long life span, good compatibility with parts like inner tube and outer tube from other vendors, and availability in all spare parts.
Double tube surface | ||||
Size(surface exploration drill) | Metric system(mm) | Imperial system(in) | ||
Hole diameter | Core diameter | Hole diameter | Core diameter | |
BQ | 60 | 36.4 | 2.36 | 1.43 |
NQ | 75.7 | 47.6 | 2.98 | 1.88 |
HQ | 96.1 | 63.5 | 3.78 | 2.5 |
PQ | 122.7 | 85 | 4.83 | 3.34 |
Triple tube surface | ||||
NQ3 | 75.7 | 45 | 2.98 | 1.78 |
HQ3 | 96.1 | 61.1 | 3.78 | 2.41 |
PQ3 | 122.7 | 83 | 4.83 | 3.27 |
NQ HQ PQ heat treated wireline diamond core drill rods 3m 1.5m drill pipe
Jinshi wireline drill rods are made of special geological steel pipe with high strength and toughness which is processed by high-precision CNC lathe and molding tools. The drill rod thread is tested by special thread gauge, and the thread part is specially strengthened.
JS drill rod has consistent concentricity and straightness, and its precision and mechanical properties reach the international advanced level.
we have standard size: AQ BQ NQ HQ PQ, NRQ, HRQ, PRQ, NHD HHD PHD, BT NT HT PT
also have customized size per sample or drawing .
Standard
|
OD
(mm)
|
ID
(mm)
|
Wall Thickness (mm)
|
TPI
|
Pin Thread Length(mm)
|
Weight
(kg/m)
|
BWL
|
55.7
|
46.1
|
4.8
|
3.0
|
44.45
|
6.03
|
NWL
|
70.5
|
60.3
|
5.1
|
3.0
|
44.45
|
8.08
|
HWL
|
89.0
|
77.8
|
5.6
|
3.0
|
44.45
|
11.52
|
PWL
|
114.3
|
101.9
|
6.2
|
2.5
|
63.50
|
16.53
|
SWL
|
139.7
|
125.5
|
7.1
|
2.5
|
62.80
|
23.22
|
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